static navigationOptions = ({navigation}) => {
const {params} = navigation.state;
return {
headerRight: (
<TouchableOpacity onPress={() => {
if (navigation.state.params !== undefined) {
navigation.state.params.choseType();
}
}}>
<Image
source={require('../../static/img/more.png')}
style={{
resizeMode: 'contain',
width: 20,
height: 20,
marginRight: 12
}}/>
</TouchableOpacity>
),
};
};
componentWillMount() {
this.props.navigation.setParams({choseType:this.choseType})
}
choseType = () => {
cosole.log("被调用了")
}
第一次传过去的params是undefined，这里有个坑就是一定要判断navigation.state.params !== undefined。
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